What 67Dart said.
Not sure what Professor Fate's point is...
How about a picture? While the illustration may not be exactly what you have under your hood, you can SEE how ign1 and ign2 are wired, and how 67Dart's post applies. It seems hard to visualize for some folks but when you understand that power can go through the resistor in EITHER direction, it is easy to understand how the two key positions (start/run) work.
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